Home / 113,388.10-170,082.15-100,266.10

Finding the Fourth Proportional to 113,388.10, 170,082.15 and 100,266.10

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Solution

The fourth proportional to 113,388.10, 170,082.15 and 100,266.10 is: 150,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,388.10 : 170,082.15 = 100,266.10 : x
  2. Step 2: Convert to fraction form
    113,388.10/170,082.15 = 100,266.10/x
  3. Step 3: Cross multiply
    113,388.10x = 170,082.15 × 100,266.10
  4. Step 4: Simplify right side
    113,388.10x = 17,053,473,860.12
  5. Step 5: Solve for x
    x = 17,053,473,860.12/113,388.10
  6. Step 6: Final answer
    x = 150,399.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.